Document 15D3R5bzpvEwRN7oqpoqnyY3j

Air Conditioning Direct-Fired Heaters Arthur A. Olson & Company Canfield, Ohio Manufacturers of Direct Fired Heaters A completely automatic direct-fired unit heater. Olson heaters operate on gas, oil, dual gas-oil or coal. These units may be hung, suspended horizontally or inverted. All heaters can be adapted to filtering, humidifying and air conditioning. Use of standard accessories and easy access to bearings and other vital parts simplify main tenance. Also special adaptions for make-up air, drying, high-temperature and process work. Standard 10 Gage Boiler Tube Heat Transfer Surface. 2. Stainless Steel or Refractory Combus tion Chamber. 3. Heavy Duty Fans and Shaft. Inlet Screens or Frame for Filter Box. 5. Adjustable, Deflecting Outlets. 6. Separate Induced Draft Fan. 7. Bearings Outside Heater at. End of Shaft. Four Fast Gae Travel-Counter Current. Engineering Data--Gas, Oil, or Dual Gas-Oil Heaters. Heater Model Number U-300 U-400 U-500 U-600 U-750 U-1000 U-1250 17*1500 U-1750 U-2000 BTU/HR Output Capacity 300.000 400.000 500.000 600,000 750.000 1.000,000 1,250.000 1,500.000 1.750.000 2,000.000 CFM Blowing Fans A 3,500 4,500 5,500 7,000 8,500 11,000 14.000 17,000 20,000 22.000 3'- r 3'- 1' 3'- 1' 3'- 1* 3'- 8* 3'- 8' 4'- 4' 4'- 4* 4'-10* 4'-10' General Dimensions B 2MI' 3'- 7' 4'- 3' 4'-ll' 5'- 3* 5'-ll' 7'- O' 8'- 0' 8'- O' 9 - 0' C 7'-10' 7-10' 7'- 3' V- 3' 8'- O' 8'- 9' 9'- 9' 9'- 9' 10'- 9' 10'- S' Cl l'-l' l'-l' l'-3' l'-l' i'-i# r-3' r-5' r-5' r-5' r-5' D r- 6' r- 6' r-7' IV 7' r- s' r-n' r-ii' 2'- O' 2'- 1' V- 1' No. of Blow ing Fans Motor HP Blow ing Fans 11 1 1H 22 23 23 25 2 7K 2 10 2 15 2 15 Stack Dia. 8* 8' S' S' S' 10* 10' IS' 12* 12* No. of Noz zle Out lets 2 3 3 4 4 4 4 5 5 5 Write for complete data on stoker fired units and large central systems. 1186 Air Conditioning nStHSm Division Prat-Daniel Corporation Meadow Street S. Norwalk, Conn. THERMOBLOG DIRECT-FIRED, SELF-CONTAINED INDUSTRIAL UNIT HEATERS Complete Range of Sizes from 100,000 to 2,000,000 Btu output THERMOBLOC saves you more money by more effectively utilizing the econom ical principles of direct-heat transfer. Low in first cost, easy to install, THERMOBLOC needs no special foundation, no expensive piping, radiation and duct work. A real "fuel miser," its operation at 82 per cent to 86 per cent efficiency means you get the most from your fuel dollar throughout the years. . and because it is fully automatic, THERMOBLOC needs no attendant. THERMOBLOC provides a wide variety of units, combinations and multiples which can conform to the exact heating requirements of any plant, regardless of size or shape. This THERMOBLOC flexibility makes possible the economical heating of plants that present problems which often cannot be solved with other types of heating equipment. By placing THERMOBLOC in a stra tegic position and adjusting the louvers, any amount of heat can be furnished where required--at floor level and not in the ceiling. . .Sturdy, boiler-like con struction of combustion and heat-trans fer surfaces and the use of nationally known, dependable controls, burners and fans make THERMOBLOC a unit that will give you reliable, long, trouble-free service. For better heating buy THERMO BLOC Send for your THERMOBLOC Bulletin NGC-10-52 today! Packed with infor mation, including many application photos. Write today for your copy! 1187